Observation of excited states in the near-drip-line nucleus 125Pr
Creators
- Wilson, A.N.1
- LaFosse, D.R.2
- Fossan, D.B.2
- Koike, T.2
- Starosta, K.2
- Smith, J.F.3
- Fletcher, A.M.3
- Chiara, C.J.4, 2
- Boston, A.J.5
- Chantler, H.J.5
- Choy, P.T.W.5
- Jenkins, D.G.5
- Paul, E.S.5
- Carpenter, M.P.6
- Janssens, R.V.F.6
- Kondev, F.G.6
- Seweryniak, D.6
- Charity, R.4
- Devlin, M.4
- Sarantites, D.G.4
- and others
- 1. Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200 (Australia)
- 2. Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York 11794-3800 (United States)
- 3. Schuster Laboratory, University of Manchester, Manchester M13 9PL (United Kingdom)
- 4. Department of Chemistry, Washington University, St. Louis, Missouri 63130 (United States)
- 5. Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE (United Kingdom)
- 6. Argonne National Laboratory, Argonne, Illinois 60439 (United States)
Description
High-spin states have been observed in the near-drip-line nucleus 125Pr following the reaction 64Zn(64Zn,p2n). The detection of charged particles and neutrons evaporated from the compound system, along with the M/q of the recoiling nucleus, have allowed the identification of excited states in 125Pr and the unambiguous assignment of five rotational structures to this nucleus. This is the most neutron-deficient Pr isotope in which excited states have been observed. The strongest band is identified as the h11/2 single-quasiproton configuration, and is observed to a maximum spin of I=(67/2(ℎ/2π)). Another structure is interpreted as the g9/2 proton hole state, which is associated with bands of enhanced deformation observed in several nuclei in this mass region. These two bands are compared with analogous bands in the heavier odd-A Pr isotopes and changes in deformation are discussed
Additional details
Identifiers
Publishing Information
- Journal Title
- Physical Review. C, Nuclear Physics
- Journal Volume
- 66
- Journal Issue
- 2
- Journal Page Range
- p. 021305-021305.5
- ISSN
- 0556-2813
- CODEN
- PRVCAN
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 36009449
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Descriptors DEI
- COMPARATIVE EVALUATIONS; HIGH SPIN STATES; HOLES; NEUTRONS; NUCLEAR DEFORMATION; NUCLEAR STRUCTURE; PRASEODYMIUM ISOTOPES; PROTONS; RECOILS; ROTATIONAL STATES; SPIN; ZINC 64 REACTIONS; ZINC 64 TARGET
- Descriptors DEC
- ANGULAR MOMENTUM; BARYONS; DEFORMATION; ELEMENTARY PARTICLES; ENERGY LEVELS; EVALUATION; EXCITED STATES; FERMIONS; HADRONS; HEAVY ION REACTIONS; ISOTOPES; NUCLEAR REACTIONS; NUCLEONS; PARTICLE PROPERTIES; TARGETS
Optional Information
- Notes
- (c) 2002 The American Physical Society